InChI=1/C18H19N3/c1-2-19-13-16-20-17(14-9-5-3-6-10-14)18(21-16)15-11-7-4-8-12-15/h3-12,19H,2,13H2,1H3,(H,20,21)/p+1/fC18H20N3/h19-20H/q+1 BA95328ABCC9A1EF